build(deps): bump esbuild-wasm from 0.8.27 to 0.15.14

[dependabot]

Bumps esbuild-wasm from 0.8.27 to 0.15.14.

Release notes

Sourced from esbuild-wasm's releases.

v0.15.14

• Fix parsing of TypeScript infer inside a conditional extends (#2675)

  Unlike JavaScript, parsing TypeScript sometimes requires backtracking. The infer A type operator can take an optional constraint of the form infer A extends B. However, this syntax conflicts with the similar conditional type operator A extends B ? C : D in cases where the syntax is combined, such as infer A extends B ? C : D. This is supposed to be parsed as (infer A) extends B ? C : D. Previously esbuild incorrectly parsed this as (infer A extends B) ? C : D instead, which is a parse error since the ?: conditional operator requires the extends keyword as part of the conditional type. TypeScript disambiguates by speculatively parsing the extends after the infer, but backtracking if a ? token is encountered afterward. With this release, esbuild should now do the same thing, so esbuild should now correctly parse these types. Here's a real-world example of such a type:

  type Normalized<T> = T extends Array<infer A extends object ? infer A : never>
    ? Dictionary<Normalized<A>>
    : {
        [P in keyof T]: T[P] extends Array<infer A extends object ? infer A : never>
          ? Dictionary<Normalized<A>>
          : Normalized<T[P]>
      }

• Avoid unnecessary watch mode rebuilds when debug logging is enabled (#2661)

  When debug-level logs are enabled (such as with --log-level=debug), esbuild's path resolution subsystem generates debug log messages that say something like "Read 20 entries for directory /home/user" to help you debug what esbuild's path resolution is doing. This caused esbuild's watch mode subsystem to add a dependency on the full list of entries in that directory since if that changes, the generated log message would also have to be updated. However, meant that on systems where a parent directory undergoes constant directory entry churn, esbuild's watch mode would continue to rebuild if --log-level=debug was passed.

  With this release, these debug log messages are now generated by "peeking" at the file system state while bypassing esbuild's watch mode dependency tracking. So now watch mode doesn't consider the count of directory entries in these debug log messages to be a part of the build that needs to be kept up to date when the file system state changes.

v0.15.13

• Add support for the TypeScript 4.9 satisfies operator (#2509)

  TypeScript 4.9 introduces a new operator called satisfies that lets you check that a given value satisfies a less specific type without casting it to that less specific type and without generating any additional code at run-time. It looks like this:

  const value = { foo: 1, bar: false } satisfies Record<string, number | boolean>
  console.log(value.foo.toFixed(1)) // TypeScript knows that "foo" is a number here

  Before this existed, you could use a cast with as to check that a value satisfies a less specific type, but that removes any additional knowledge that TypeScript has about that specific value:

  const value = { foo: 1, bar: false } as Record<string, number | boolean>
  console.log(value.foo.toFixed(1)) // TypeScript no longer knows that "foo" is a number

  You can read more about this feature in TypeScript's blog post for 4.9 as well as the associated TypeScript issue for this feature.

  This feature was implemented in esbuild by @​magic-akari.

• Fix watch mode constantly rebuilding if the parent directory is inaccessible (#2640)

  Android is unusual in that it has an inaccessible directory in the path to the root, which esbuild was not originally built to handle. To handle cases like this, the path resolution layer in esbuild has a hack where it treats inaccessible directories as empty. However, esbuild's watch implementation currently triggers a rebuild if a directory previously encountered an error but the directory now exists. The assumption is that the previous error was caused by the directory not existing. Although that's usually the case, it's not the case for this particular parent directory on Android. Instead the error is that the directory previously existed but was inaccessible.

  This discrepancy between esbuild's path resolution layer and its watch mode was causing watch mode to rebuild continuously on Android. With this release, esbuild's watch mode instead checks for an error status change in the readdir file system call, so watch mode should no longer rebuild continuously on Android.

• Apply a fix for a rare deadlock with the JavaScript API (#1842, #2485)

... (truncated)

Changelog

Sourced from esbuild-wasm's changelog.

Changelog: 2020

This changelog documents all esbuild versions published in the year 2020 (versions 0.3.0 through 0.8.28).

0.8.28

• Add a --summary flag that prints helpful information after a build (#631)

  Normally esbuild's CLI doesn't print anything after doing a build if nothing went wrong. This allows esbuild to be used as part of a more complex chain of tools without the output cluttering the terminal. However, sometimes it is nice to have a quick overview in your terminal of what the build just did. You can now add the --summary flag when using the CLI and esbuild will print a summary of what the build generated. It looks something like this:

  $ ./esbuild --summary --bundle src/Three.js --outfile=build/three.js --sourcemap
  build/three.js      1.0mb ⚠️
  build/three.js.map  1.8mb
  ⚡ Done in 43ms
  

• Keep unused imports in TypeScript code in one specific case (#604)

  The official TypeScript compiler always removes imported symbols that aren't used as values when converting TypeScript to JavaScript. This is because these symbols could be types and not removing them could result in a run-time module instantiation failure because of missing exports. This even happens when the tsconfig.json setting "importsNotUsedAsValues" is set to "preserve". Doing this just keeps the import statement itself but confusingly still removes the imports that aren't used as values.

  Previously esbuild always exactly matched the behavior of the official TypeScript compiler regarding import removal. However, that is problematic when trying to use esbuild to compile a partial module such as when converting TypeScript to JavaScript inside a file written in the Svelte programming language. Here is an example:

  <script lang="ts">
    import Counter from './Counter.svelte';
    export let name: string = 'world';
  </script>
  <main>
    <h1>Hello {name}!</h1>
    <Counter />
  </main>

  The current Svelte compiler plugin for TypeScript only provides esbuild with the contents of the <script> tag so to esbuild, the import Counter appears to be unused and is removed.

  In this release, esbuild deliberately deviates from the behavior of the official TypeScript compiler if all of these conditions are met:

  • The "importsNotUsedAsValues" field in tsconfig.json must be present and must not be set to "remove". This is necessary because this is the only case where esbuild can assume that all imports are values instead of types. Any imports that are types will cause a type error when the code is run through the TypeScript type checker. To import types when the importsNotUsedAsValues setting is active, you must use the TypeScript-specific import type syntax instead.

  • You must not be using esbuild as a bundler. When bundling, esbuild needs to assume that it's not seeing a partial file because the bundling process requires renaming symbols to avoid cross-file name collisions.

  • You must not have identifier minification enabled. It's useless to preserve unused imports in this case because referencing them by name won't work anyway. And keeping the unused imports would be counter-productive to minification since they would be extra unnecessary data in the output file.

  This should hopefully allow esbuild to be used as a TypeScript-to-JavaScript converter for programming languages such as Svelte, at least in many cases. The build pipeline in esbuild wasn't designed for compiling partial modules and this still won't be a fully robust solution (e.g. some variables may be renamed to avoid name collisions in rare cases). But it's possible that these cases are very unlikely to come up in practice. Basically this change to keep unused imports in this case should be useful at best and harmless at worst.

Commits

• d0f6b7f publish 0.15.14 to npm
• 5ecf746 GitHub Workflows security hardening (#2654)
• 9dee65c fix #2675: parsing of infer inside extends
• c6e880a fix #2661: avoid extra rebuilds with debug logging
• ba47710 publish 0.15.13 to npm
• 679548f small code simplification
• 78d6194 attempted fix for #2485: Add and Wait safety
• 4f9694b fix a typo
• 8d0c2b9 update go 1.19.2 => 1.19.3
• 8c2fdc2 support TypeScript satisfies (#2509)
• Additional commits viewable in compare view

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[dependabot]

Superseded by #66.